#511FA6#511FA6

#511FA6 is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.4% C 0.195 H 291.9°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#511FA6
RGB	rgb(81, 31, 166)
HSL	hsl(262, 69%, 39%)
HSV	hsv(262, 81%, 65%)
CMYK	cmyk(51.2%, 81.3%, 0%, 34.9%)
CIE-LAB	lab(28.07, 51.97, -63.03)
CIE-LCH	lch(28.07, 81.69, 309.50°)
OKLab	oklab(40.37% 0.0726 -0.1811)
OKLCH	oklch(40.37% 0.195 291.9)
XYZ	xyz(10.7643, 5.4821, 36.5600)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511FA6 #74A61F

analogous

#1F30A6 #511FA6 #941FA6

triadic

#511FA6 #A6511F #1FA651

tetradic

#511FA6 #A61F30 #74A61F #1FA694

square

#511FA6 #A61F30 #74A61F #1FA694

split-complementary

#511FA6 #A6941F #30A61F

monochromatic

#1F0C3F #381572 #511FA6 #6B2BD7 #8F5EE1

Accessibility & contrast

On white

10.02

#511FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#511FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511FA6

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511FA6	#FFFFFF	#000000	##FFFFFF
##511FA6	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AA

Deuteranopia (green-blind)

#003FA4

Tritanopia (blue-blind)

#344763

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #511fa6;
/* rgb */ color: rgb(81, 31, 166);
/* oklch */ color: oklch(40.4% 0.195 291.9);

Tailwind

colors: {
  custom: {
    50: '#8b62c2',
    500: '#511fa6',
    950: '#000000',
  },
}

SCSS

$custom: #511fa6;
$custom-light: #8b62c2;
$custom-dark: #000000;

JSON

{
  "hex": "#511fa6",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 166
  },
  "hsl": {
    "h": 262.222,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.4037,
    "c": 0.19513,
    "h": 291.9
  },
  "luminance": 0.05482
}

Semantic roles & 50–950 ramp

primary

#511FA6

secondary

#9EC55B

accent

#EB3CAB

background

#F9F6FC

surface

#F1EBF8

border

#CBC6D1

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #511FA6

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →